linux-kernel - Re: [PATCH v4 0/2] pinctrl: single: support #pinctrl-cells = 2

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Message-ID: <CAD6h2NQWQj1frtfVNorc_wt7CqsOZS7PLaPHZxABFhvEPxkKzw@mail.gmail.com>
Date:   Sun, 5 Jul 2020 17:01:02 +0800
From:   Haojian Zhuang <haojian.zhuang@...aro.org>
To:     Drew Fustini <drew@...gleboard.org>
Cc:     Tony Lindgren <tony@...mide.com>, Rob Herring <robh+dt@...nel.org>,
        linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Linus Walleij <linus.walleij@...aro.org>,
        devicetree@...r.kernel.org, bcousson@...libre.com,
        Jason Kridner <jkridner@...gleboard.org>,
        Robert Nelson <robertcnelson@...il.com>
Subject: Re: [PATCH v4 0/2] pinctrl: single: support #pinctrl-cells = 2

On Wed, 1 Jul 2020 at 09:33, Drew Fustini <drew@...gleboard.org> wrote:
>
> Currently, pinctrl-single only allows #pinctrl-cells = 1.
>
> This series will allow pinctrl-single to also support #pinctrl-cells = 2
>
> If "pinctrl-single,pins" has 3 arguments (offset, conf, mux) then
> pcs_parse_one_pinctrl_entry() does an OR operation on conf and mux to
> get the value to store in the register.
>
> To take advantage of #pinctrl-cells = 2, the AM33XX_PADCONF macro in
> omap.h is modified to keep pin conf and pin mux values separate.
>
> change log:
> - v4: squash patches 2 and 3 together so that git biesct will not result
>   in a boot failure
>
> - v3: change order of patches to make sure the pinctrl-single.c patch
>   does not break anything without the dts patches
>
> - v2: remove outer parentheses from AM33XX_PADCONF macro as it causes a
>   compile error in dtc.  I had added it per suggestion from checkpatch
>   about having parentheses around complex values.
>
> Drew Fustini (2):
>   pinctrl: single: parse #pinctrl-cells = 2
>   ARM: dts: am33xx-l4: change #pinctrl-cells from 1 to 2
>
>  arch/arm/boot/dts/am33xx-l4.dtsi   |  2 +-
>  drivers/pinctrl/pinctrl-single.c   | 11 +++++++++--
>  include/dt-bindings/pinctrl/omap.h |  2 +-
>  3 files changed, 11 insertions(+), 4 deletions(-)
>
> --
> 2.25.1
>

Acked-by: Haojian Zhuang <haojian.zhuang@...aro.org>